Callahan County.

Map shows early twentieth century Callahan County, Texas property tract boundaries, landowners, land grants, towns, and watershed; Texan Emigration and Land Company; handwritten annotations for petroleum prospecting activity. Relief shown by hachures. Scale [1:66,667].
Date: 1918
Creator: Blucher, Carl, draftsman.
System: The Portal to Texas History

Callahan County.

Map shows land patents, block and tract numbers, landowners, towns, and railroads; portions of adjacent counties where property boundaries extend beyond county limits. Scale not given.
Date: 1918
Creator: [Texas]. General Land Office.
System: The Portal to Texas History